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T R BRIEN NIPPLE CONNECTION.

No. 530,679. Patented Dec. 11, 1894.

INVEN TOR, TRBrjen,

WITNESSES.-

' UNrTEn STATES. l

PATENT Enron.

THEODORE R. BRIEN, OF HOOSIGK FALLS, NEW YORK, ASSIGNOR OF ONE- HALF TO GEORGE O. WALRAD AND LOUIE J. BR IEN, OF SAME PLACE.

NIPPLE CONNECTION.

SPECIFICATION forming part of Letters Patent No. 530,679, dated December 11, 1894.

Application filed March 20, 1894. Serial No. 504,l00. (No model.)

To all whom it may concern:

Be it known that I, THEODORE R. BRIEN, a citizen of the UnitedStates, residing at Hoo-=. sick Falls, county of Rensselaer, and State of New York, have invented certain new and useful Improvements in Nipple Connections,

- of which the following is a specification.

My invention relates to such improvements and consists of the novel construction and combination of parts hereinafter described and subsequently claimed.

Reference may be had to the accompanying drawings, and the letters of reference marked thereon, which form a part of this specification.

Similar letters refer to similar parts in the several figures therein.

Figure 1 of the drawings is a central longitudinal section of a nipple and pipe inconnecting position, showing in side elevation the hinge-coupling in engagement with the nipple and pipe. Fig. 2 is a view in side elevation of the connected parts. Fig. 3 is atop plan view of the hinge-coupling detached and partially open or distended. Fig. 4 is aview in side elevation of a detached nipple having an integral annular flange.

A- represents the nipple which is commonly an iron casting made integral with and projecting from some larger body, as for example, the bottom of a kitchen sink.

B- represents a metal pipe, commonly a lead pipe which is especially adapted for use as a waste pipe for sinks.

G, and O- represent the two section's-of a hinge-coupling by which the lead pipe is clamped upon the iron nipple in a manner to make a tight joint between the nipple and pipe.

I have shown the nipple provided exteriorly with an annular flange A secured to the nipple by screws, S, as shown in Fig. 1.

The upper side of the flange, or that side adjacent to the upper end or base of the nipple, is inclined inwardly and downwardly, while the lower or outer end of the nipple is oppositely inclined inwardly and downwardly, thus giving the lower or attaching end of the nipple a conical form.

When desired, the flange may be cast integral with the nipple, as shown in Fig. 4.

The end of the pipe to be connected to the nipple is expanded, or made flaring to approximately fit the conical end of the nipple inserted therein.

The coupling comprises two semicircular sections 0-- and C' hinged together as by the pivot 0 inserted in the radially-projeca ing lugs 0 and C on. the respective sections, so that when the hinged sections are swung together or closed, they together form a ring. Each section is also provided with a perforated lug C diametrically opposite the hinge-lugs, adapted to .receive a screwthreaded bolt C. Each section is provided with oppositely inclined inner surfaces C and 0 the surface 0 being adapted to engage the correspondingly inclined upper surface of the nipple-flange, and the surface C to engage the nipple-inclosing portion of the pipe, as shown in Fig. 1.

To connect the nipple and pipe, it is only necessary to insert the conical end of the nip ple in the flaring end of the pipe, place the coupling around such ends and the nipple- 7 5 flange and tightly clamp the coupling thereon in any known manner, as by the bolt O- and thumb-nut (3 fitting such bolt.

It is apparent from an inspection of Fig. 1, that when the coupling-sections are forced together after engaging the lower part of the inclined surface of the nipple-flange, they are also forced upward toward the base of the nipple by such inclined surface, thereby forcing, by means of the inclines C the flaring por- 8 5 tion of the pipe up onto the thicker or larger portions of the nipple until the pipe is tightly clamped between the coupling and the nipple.

The inclines above described enable me to tightly connect a rigid unyielding pipe havo ing a flaring mouth, upon a rigid nipple, ora

relatively yielding pipe like lead pipe having a straight cylindrical mouth, because the yielding material permits the pipe to readily conform to the shape of the relatively rigid 5 and unyielding nipple.

What I claim as new, and desire to secure by Letters Patent, is-

1. The combination with a nipple having an exteriorly projecting annular flange, and made of relatively-rigid material, of a nippleinclosing pipe made of a relatively yielding material, a hinge-coupling inclosing the nipple-fiange and the nipple-inclosing portion .of the pipe, and means for clamping the coup ling upon such flange and pipe, substantially as described.

2. The combination with a conical flanged nipple having the side of the flange adjacent to the base of the nipple oppositely inclined to the inclined wall of the nipple, and a pipe having a nipple-inclosing flaring mouth, of a hinge-coupling provided with oppositely inclined inner surfaces adapted to engage respectively the inclined surface of the nippleflange and the nipple-inclosing portion of the pipe, and means for clamping the coupling I 5 THEODORE R. BRIEN.

Witnesses:

J ERE SHEA, THOS. L. FINN. 

